The section is mainly used to remove broken rice and crude bran shell as well as other impurities,and it can reduce equipment failure,ensure normal operation,lower residual oil yield and solvent consumption.The screening method and wind separation method are usually used in the section.

2.Rice bran softening and conditioning section

Before entering the expander,rice bran is heated in advance, temperature of rice bran before expansion is increased,and expansion quality of rice bran is improved.Softening pot is mainly used to soften rice bran,improve its plasticity so as to improve extraction efficiency.

Using plate dryer to adjust the moisture and temperature to suit for extraction.

5.Extraction section

Oil extraction is an advanced oil production craft, now widely applied to oil plants,and it’s an organic solvent extraction method,oil is extracted from rice bran by contact(soaking or spraying) of solvent and rice bran.

The advantages are as following:

1. high oil yield, low residual oil rate of meal;

2. low labor intensity;

3. good working environment;

4. good meal quality.

6.Desolventizing-toasting section

The meal from extractor contains 25-35% solvent, for recovering solvent and getting better meal, solvent can be toasted by heating.High material layer toaster is usually applied to remove solvent from meal as well as dry extracted meal; DTDC desolventizer should be used for extracted rice bran meal.

7.Evaporation section

Solvent of mixed oil is vaporized by heating to improve oil concentration of mixed oil, i.e. volatile solvent is separated from nonvolatile matters. Long-pipe evaporator(also named raising film evaporator) is widely used for this section.

8.Steam-stripping sectionUse steam distillation to reduce boiling point of mixed oil,so as to remove trace solvent off at lower temperature.

Henan LD can provide you with 10 to 25 kilograms (test equipment), 2 to 1,000 tons / day of oil refining projects , Henan LD naturally is your preferred partner for different oil quality. in Henan LD here are different options, batch chemical refining, semi-continuous physical refining, continuous physical refining program, where Henan LD provide you with the design (process, civil, electrical), manufacturing, installation, commissioning, training of technical personnel to the sale a full-service; advanced automatic control system to ensure that the entire production line of automatic, smooth operation; heat saving each segment to ensure that the processing costs to a minimum.

LD Oil refining machinery characteristics:1, continuous alkali refining shorten the contact time of oil and lye, reduce fat saponification, low power consumption and improve efficiency;2, bleaching and steam stirring decolorization premixed combination of technology, improve the decolorization efficiency, saving the amount of clay, simple operation; a negative pressure and oxygen in the air to avoid contact with hot oil, to ensure the quality of oil, acid value rise suppression, reduce excessive oxidation number.3, using the new continuous physical refining deacidification deodorization, deacidification deodorizing suitable for high acid value and low gum content of the vegetable oil, the actual production proves that the process has the following salient features: strong acid removal ability, good heat decolorization, refining rate, good quality oil.4. The process multiple heat exchange systems take advantage of the heat, reduce steam consumption, the production process also has an adjustable, flexible operation, high automatic degree of sanitation.

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